Discover science
Top 10 poorest countries in the world
The Democratic Republic of Congo, Mozambique or Yemen, etc. are among the poorest countries in the world with low GDP per capita. Not surprisingly, there are many Africa…
PER
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Articles about PER
374 published items.
Space science
The two satellites graze each other at a speed of 52,800km per hour
IRAS and GGSE-4 satellites are likely to escape the risk of collision above Pittsburgh, Pennsylvania, USA, at 6:39 am on January 30 (Hanoi time).
Discover science
Why are the number of days in each month not the same for easy calculation?
We all know that a year has 12 months, which is 365 days. So how many days per month should be reasonable?
New technology
Diving aids like jets
The device weighs about 2kg, reaches a speed of 1.8m per second, dives 5 - 40m deep, uses 60 minutes continuously on a full charge.
Biology
Plants know pain when cut and whine when not watered
Recent research by scientists shows that plants also feel pain and emit a groan when not watered.
Oceanography
The first measurement of the heart rate of the blue whale
US scientists on November 25 said they had measured the heart rate of an adult blue whale with a high-tech ECG recorder.
Computer science
Japan has successfully tested fiber optic cable 100 times faster than the current Internet
The Network Systems Research Institute of the Japan Institute of Information and Communications Technology (NICT) has successfully developed and tested fiber optic cable…
Biology
This is the most expensive grape in the world: Eating a bunch of 250 million, eating a fruit costs only 8.5 million only!
If you want to enjoy a bunch of Ruby Roman grapes, make sure you have a lot of money, because this world's most expensive grape variety sells for 1.1 million yen ($ 11,0…
Computer science
Alibaba launches 'super chip AI' that processes 78,500 images per second
Alibaba launches an AI supercharger, which has 10 times the computing power of traditional graphics processing units.
Environment
Rising sea levels threaten to engulf the Egyptian port city of Alexandria
Alexandria, the beautiful city on the Mediterranean coast of Egypt, is at risk of being drowned by climate change.
Medicine - Health
Effects and dosage of Omeprazol 20mg STADA®
Omeprazole 20mg STADA® contains the active ingredient omeprazol, which is a proton pump inhibitor (PPI). The drug works by reducing the amount of acid secreted by the st…
Environment
What can we recycle?
People buy millions of plastic bottles per minute and at least a quarter of them are not recycled.
Biology
4.5 trillion cigarette filters per year are killing the world's plants
People emit 4.5 trillion cigarette filters, and it is slowly becoming a dangerous waste.
Health
Glass bottles contain potentially dangerous quantities of heavy metals
Scientists at the University of Plymouth, UK, have conducted research to show that glass bottles contain potentially dangerous heavy metals.